April 27 –Cecil B. DeMille’s movieUnion Pacific, the story of the building of the transcontinental railroad, premieres in Union Pacific's home town of Omaha, Nebraska. During its production the studio used so many trains that a railroad operating permit was required from the Interstate Commerce Commission. After the premiere, a 15-car train of period equipment tours the country promoting the movie.
British Government takes control of railways as a wartime measure; start of a 4-day evacuation of children by rail from major cities (over 600,000 from London).[4]
The Østfold Line in Norway takes electric traction into use between Kornsjø and the Swedish border.[5]
December 22 –Genthin, Germany: collision when train D180 drives into previous but delayed and overcrowded train D10 from Berlin to Cologne. 278 killed, 453 injured, one of the most serious train accidents in Germany.
Hale Holden steps down as chairman of the board of directors for the Southern Pacific Company, the parent company of the Southern Pacific Railroad. After Holden's departure, the position is nonexistent until 1964.
Armitage, Merle (1973). Homage to the Santa Fe; The many facets of big time railroading (reprinted 1986ed.). Hawthorne, California: Omni Publications. p.139.